path: root/dm_parser.c

#line 1 "dm_parser.ragel"
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>

#include "dm.h"




#define CTS(X) {if (!dm_current_tok)token_s = p; printf("%s ",#X);if (!dm_current_tok) dm_current_tok = TOK_##X;}
#define CTE() {token_e = p;}
#define TADD(T,S,E) {tl_add_tok(tl,T,S,E);}

char *new_string( const char *start, const char *end )
{
	int str_s = end-start+1;
	char *new_str=malloc( str_s+1 );
	memcpy( new_str, start, str_s );
	if ( new_str != NULL )
		new_str[str_s]=0x0;
	return new_str;
}

int print_token( char *s, char *e, int tok)
{
	char *p = new_string( s, e );
	printf("t=%d,p=%s\n",tok,p);
	free( p );
	return 0;
}



#line 38 "dm_parser.c"
static const char _dm_actions[] = {
	0, 1, 0, 1, 1, 1, 2, 1, 
	3, 1, 4, 1, 5, 1, 6, 1, 
	7, 1, 8, 1, 9, 1, 10, 1, 
	11, 1, 12
};

static const char _dm_key_offsets[] = {
	0, 0, 8, 17, 23, 24, 36, 39, 
	41
};

static const char _dm_trans_keys[] = {
	32, 39, 48, 57, 65, 90, 97, 122, 
	32, 34, 39, 48, 57, 65, 90, 97, 
	122, 48, 57, 65, 70, 97, 102, 102, 
	32, 34, 38, 40, 41, 45, 48, 105, 
	9, 10, 49, 57, 120, 48, 57, 48, 
	57, 48, 57, 65, 70, 97, 102, 0
};

static const char _dm_single_lengths[] = {
	0, 2, 3, 0, 1, 8, 1, 0, 
	0
};

static const char _dm_range_lengths[] = {
	0, 3, 3, 3, 0, 2, 1, 1, 
	3
};

static const char _dm_index_offsets[] = {
	0, 0, 6, 13, 17, 19, 30, 33, 
	35
};

static const char _dm_indicies[] = {
	0, 0, 0, 0, 0, 1, 0, 2, 
	0, 0, 0, 0, 1, 4, 4, 4, 
	3, 5, 1, 6, 7, 8, 9, 10, 
	11, 12, 14, 6, 13, 1, 16, 13, 
	15, 13, 15, 4, 4, 4, 17, 0
};

static const char _dm_trans_targs[] = {
	2, 0, 5, 5, 8, 5, 5, 1, 
	5, 5, 5, 5, 6, 7, 4, 5, 
	3, 5
};

static const char _dm_trans_actions[] = {
	0, 0, 9, 25, 0, 11, 7, 0, 
	17, 13, 15, 19, 5, 0, 0, 23, 
	0, 21
};

static const char _dm_to_state_actions[] = {
	0, 0, 0, 0, 0, 1, 0, 0, 
	0
};

static const char _dm_from_state_actions[] = {
	0, 0, 0, 0, 0, 3, 0, 0, 
	0
};

static const char _dm_eof_trans[] = {
	0, 0, 0, 4, 0, 0, 16, 16, 
	18
};

static const int dm_start = 5;
static const int dm_first_final = 5;
static const int dm_error = 0;

static const int dm_en_main = 5;


#line 63 "dm_parser.ragel"


int parse_dm( token_list *tl, const char *str )
{
	static uint8_t cs;
	const int stacksize = 10;
	int res=0, *stack=NULL, act=0;
	stack = malloc( sizeof(stack)*stacksize );
	char *p=(char *)str, *pe = (char *)str + strlen( str ), *eof=NULL;
	char *ts, *te = 0;

	/*
	variables used in state machine
	*/

	
#line 134 "dm_parser.c"
	{
	cs = dm_start;
	ts = 0;
	te = 0;
	act = 0;
	}

#line 79 "dm_parser.ragel"
	
#line 144 "dm_parser.c"
	{
	int _klen;
	unsigned int _trans;
	const char *_acts;
	unsigned int _nacts;
	const char *_keys;

	if ( p == pe )
		goto _test_eof;
	if ( cs == 0 )
		goto _out;
_resume:
	_acts = _dm_actions + _dm_from_state_actions[cs];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 ) {
		switch ( *_acts++ ) {
	case 1:
#line 1 "NONE"
	{ts = p;}
	break;
#line 165 "dm_parser.c"
		}
	}

	_keys = _dm_trans_keys + _dm_key_offsets[cs];
	_trans = _dm_index_offsets[cs];

	_klen = _dm_single_lengths[cs];
	if ( _klen > 0 ) {
		const char *_lower = _keys;
		const char *_mid;
		const char *_upper = _keys + _klen - 1;
		while (1) {
			if ( _upper < _lower )
				break;

			_mid = _lower + ((_upper-_lower) >> 1);
			if ( (*p) < *_mid )
				_upper = _mid - 1;
			else if ( (*p) > *_mid )
				_lower = _mid + 1;
			else {
				_trans += (unsigned int)(_mid - _keys);
				goto _match;
			}
		}
		_keys += _klen;
		_trans += _klen;
	}

	_klen = _dm_range_lengths[cs];
	if ( _klen > 0 ) {
		const char *_lower = _keys;
		const char *_mid;
		const char *_upper = _keys + (_klen<<1) - 2;
		while (1) {
			if ( _upper < _lower )
				break;

			_mid = _lower + (((_upper-_lower) >> 1) & ~1);
			if ( (*p) < _mid[0] )
				_upper = _mid - 2;
			else if ( (*p) > _mid[1] )
				_lower = _mid + 2;
			else {
				_trans += (unsigned int)((_mid - _keys)>>1);
				goto _match;
			}
		}
		_trans += _klen;
	}

_match:
	_trans = _dm_indicies[_trans];
_eof_trans:
	cs = _dm_trans_targs[_trans];

	if ( _dm_trans_actions[_trans] == 0 )
		goto _again;

	_acts = _dm_actions + _dm_trans_actions[_trans];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 )
	{
		switch ( *_acts++ )
		{
	case 2:
#line 1 "NONE"
	{te = p+1;}
	break;
	case 3:
#line 52 "dm_parser.ragel"
	{te = p+1;}
	break;
	case 4:
#line 53 "dm_parser.ragel"
	{te = p+1;{/*printf("str = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_STR,ts,te);}}
	break;
	case 5:
#line 55 "dm_parser.ragel"
	{te = p+1;{/*printf("if  = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_IF,ts,te);}}
	break;
	case 6:
#line 56 "dm_parser.ragel"
	{te = p+1;{/*printf("lbr = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_LBR,ts,te);}}
	break;
	case 7:
#line 57 "dm_parser.ragel"
	{te = p+1;{/*printf("rbr = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_RBR,ts,te);}}
	break;
	case 8:
#line 58 "dm_parser.ragel"
	{te = p+1;{/*printf("and = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_EAND,ts,te);}}
	break;
	case 9:
#line 59 "dm_parser.ragel"
	{te = p+1;{/*printf("range = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_RANGE,ts,te);}}
	break;
	case 10:
#line 51 "dm_parser.ragel"
	{te = p;p--;{/*printf("hex = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_HEX,ts,te);}}
	break;
	case 11:
#line 54 "dm_parser.ragel"
	{te = p;p--;{/*printf("int = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_INT,ts,te);}}
	break;
	case 12:
#line 54 "dm_parser.ragel"
	{{p = ((te))-1;}{/*printf("int = ");fwrite(ts,1,te-ts,stdout);printf("\n");*/TADD(TOK_INT,ts,te);}}
	break;
#line 275 "dm_parser.c"
		}
	}

_again:
	_acts = _dm_actions + _dm_to_state_actions[cs];
	_nacts = (unsigned int) *_acts++;
	while ( _nacts-- > 0 ) {
		switch ( *_acts++ ) {
	case 0:
#line 1 "NONE"
	{ts = 0;}
	break;
#line 288 "dm_parser.c"
		}
	}

	if ( cs == 0 )
		goto _out;
	if ( ++p != pe )
		goto _resume;
	_test_eof: {}
	if ( p == eof )
	{
	if ( _dm_eof_trans[cs] > 0 ) {
		_trans = _dm_eof_trans[cs] - 1;
		goto _eof_trans;
	}
	}

	_out: {}
	}

#line 80 "dm_parser.ragel"

	if ( cs == dm_error )
	{
		printf("ERR state [%d] pos[%d]:[%s]\n", res, p-str, p);
		res = -1;
	}

	return res;
}